Jewel-setting tool



May 6', 1930. s. HELFGQTT JEWEL SETTING TOOL Filed Jan. 15, 1927 i Strument. Y

Patented May 6, 1930- 7 l soLoiitoN'iaELmorr,

orrNEyWjYoBiivfm tain arldet verysmall'jewelssuoh' as roller 1.0A eyy'lels aijldv pallet stones, and partiorllarlyuiider; S'uCh `i11d0f1$ Where] the Size .'efgth jeivland ifs' Settin'giSiOO minute. fipemt f its?. Proper handling by the Present, type'of -Y toolsor iristrunielitserpployed."

@ma br' .waehmakers' inpsefangjrollef iewelsand @alla ,stonesinpvery small watch .movements In'fsone instances; the vJewels 30.515.019@ that in zvrysmalmnd delizia@ wach vIrlovemerits,` the roller jewels and palletstones are CorrespondinglylV minute A and more" diii'i`` @lt tehandlel so that. what meylrpearftgbe a simple Voperation` under ordinaryoonditioris 35 beoomes a problemlwhencthe sirzemreridersthe Y rrnderfstood,` reference had f the aecorri-V penyirgndrawng' Shaving: prefere@ em- Eig. `2;--is a view-Y guaitl.'` "fi: I mf; 1 FfrFi'gl Sis'a viewgfsiniilar to Fig:flfshovving `4 -thesinanner'of setting the-jewel .in the watch mechalnismsholwmiimdotte'dfliesy :uji a f Figl 4 is Valongitlidinal sectionalV view Y y "1P-ig. 5 is an enlarged end view. g iFig. 6`is aperspe'tivevievvon an enlarged Soale showingavvatch jewel; 1V l 'h VReferring riovv to thedrawings 'vvlierein like ie'fereno'e foharaoter' deeignate' oorr'e? po'dirig partsfthroughout Ythe Several'vie'wa fdeeignat's as'ubetfantiallyftlblar or Cylindrie/al;2 "Irlaohiined tool',` "or iristrm'eht body havig a'n" i1iternally threadedi end bore" 6L out to provide a reesfsas' at 7 tol reoeivealat,

lidahl,` push'plate 8 which substantially l Screw is `equippdvvith an extension 412, con-l fsidjalbly,less iti v'dametertha-Ii the main body Yof "the screvvlfandis grooved radially :as at V13Y to'receivfe ya' Connecting 'Screw` 14 passi'ng jth'oghthe' puehplate 8, Coiise'qeiitly', any

movement*ilrparted'ltothe Afeed screw adf varices; or `renaldethepujshf plate relative "to g kinthe end of a guidel rodflfvvitliinthe Ysaid toolorinstrument'body, said rod havl irigl anaperture to receiveaapin*174 ,connectthepush plate J8"therewith, i" It will there- Sforejheseenj thatthe feedfsoreazvl andthe gide rod are 'connected for v movement 'with each other in' advancing theprishplate tovvard'the 1 the"Gter-.leiid'ofrthetool'dr'viristrument body, a lille groovedextension,tvvithin a soeket Y 'end ofthe iristriir'uentlbutthat the feed s'crevv/ y pleh 'plate isfwithdraw'fand abutsthe Wallv dearly,iii`I*v`,i,g ;sr.`f1'Y andllwlrf f `The side, ofthetool orj'instrumentbody is also recese'ed'tof receivelafspreader, plate 19 lpreferably of 'resilient letalfvvhioh' iXedly lseoured "adjaoerit the outer end thereof. The spreader plateis L-shaped tovvardj thek front end forming a flange portior 20 adaptedr to lie the end of the body and intothe settingof a roller or pallet of a watchmovement. l

2. A jewel setting tool comprising a tool body having a recess open on two sides on one face thereof and at itsend for'receivingjthe plane surface of a roller jewel therein, a j spreader plate for retaining'a roller jewel' within said recess in proximity to one endof said body, said spreader plate having a side extension for engaging the jewel to clamp thesame in said recess, alatch platecarried by the spreader plate, said latch plate having an extension overlying the said recess to pref vent the jewel from moving upwardly and ont 01E the recess, a movable plate engaging the inner end of the jewel and a feed screw for `advancing said plate gradually whereby the jewel may be forced into the jewel setting of a roller or pallet o a'watch movement. Y

In testimony whereof I aiix my signature.

SOLOMON HllLlEPGOTT.l i 

